code: def check(cls, obj):
      return (
          obj in cls.generation_values
          and cls.generation_values[obj] == cls.generation
      )
  
file_path: pytorch/torch/_dynamo/mutation_guard.py
imports: import functools
  import weakref
  import torch.nn
  from torch.nn import Module
  from .utils import ExactWeakKeyDictionary, is_lazy_module
label_desc: Use image node_id 4 for calling the GenerationTracker obj's underlying member method code with example usage: obj.check(cls, obj) and returns: unknown